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https://github.com/edk2-porting/linux-next.git
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9d1c40ebb6
The TTY layer provides its data pointers as const, but the HCI UART callbacks expect them as general data pointers. This is of course wrong and instead of casting them, just fix the individual drivers to actually take a const data pointer. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
131 lines
3.2 KiB
C
131 lines
3.2 KiB
C
/*
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*
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* Bluetooth HCI UART driver
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*
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* Copyright (C) 2000-2001 Qualcomm Incorporated
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* Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com>
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* Copyright (C) 2004-2005 Marcel Holtmann <marcel@holtmann.org>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef N_HCI
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#define N_HCI 15
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#endif
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/* Ioctls */
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#define HCIUARTSETPROTO _IOW('U', 200, int)
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#define HCIUARTGETPROTO _IOR('U', 201, int)
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#define HCIUARTGETDEVICE _IOR('U', 202, int)
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#define HCIUARTSETFLAGS _IOW('U', 203, int)
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#define HCIUARTGETFLAGS _IOR('U', 204, int)
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/* UART protocols */
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#define HCI_UART_MAX_PROTO 8
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#define HCI_UART_H4 0
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#define HCI_UART_BCSP 1
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#define HCI_UART_3WIRE 2
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#define HCI_UART_H4DS 3
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#define HCI_UART_LL 4
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#define HCI_UART_ATH3K 5
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#define HCI_UART_INTEL 6
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#define HCI_UART_BCM 7
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#define HCI_UART_RAW_DEVICE 0
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#define HCI_UART_RESET_ON_INIT 1
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#define HCI_UART_CREATE_AMP 2
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#define HCI_UART_INIT_PENDING 3
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#define HCI_UART_EXT_CONFIG 4
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#define HCI_UART_VND_DETECT 5
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struct hci_uart;
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struct hci_uart_proto {
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unsigned int id;
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int (*open)(struct hci_uart *hu);
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int (*close)(struct hci_uart *hu);
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int (*flush)(struct hci_uart *hu);
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int (*recv)(struct hci_uart *hu, const void *data, int len);
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int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb);
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int (*setup)(struct hci_uart *hu);
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struct sk_buff *(*dequeue)(struct hci_uart *hu);
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};
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struct hci_uart {
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struct tty_struct *tty;
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struct hci_dev *hdev;
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unsigned long flags;
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unsigned long hdev_flags;
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struct work_struct init_ready;
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struct work_struct write_work;
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struct hci_uart_proto *proto;
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void *priv;
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struct sk_buff *tx_skb;
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unsigned long tx_state;
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spinlock_t rx_lock;
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};
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/* HCI_UART proto flag bits */
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#define HCI_UART_PROTO_SET 0
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#define HCI_UART_REGISTERED 1
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/* TX states */
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#define HCI_UART_SENDING 1
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#define HCI_UART_TX_WAKEUP 2
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int hci_uart_register_proto(struct hci_uart_proto *p);
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int hci_uart_unregister_proto(struct hci_uart_proto *p);
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int hci_uart_tx_wakeup(struct hci_uart *hu);
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int hci_uart_init_ready(struct hci_uart *hu);
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#ifdef CONFIG_BT_HCIUART_H4
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int h4_init(void);
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int h4_deinit(void);
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#endif
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#ifdef CONFIG_BT_HCIUART_BCSP
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int bcsp_init(void);
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int bcsp_deinit(void);
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#endif
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#ifdef CONFIG_BT_HCIUART_LL
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int ll_init(void);
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int ll_deinit(void);
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#endif
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#ifdef CONFIG_BT_HCIUART_ATH3K
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int ath_init(void);
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int ath_deinit(void);
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#endif
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#ifdef CONFIG_BT_HCIUART_3WIRE
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int h5_init(void);
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int h5_deinit(void);
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#endif
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#ifdef CONFIG_BT_HCIUART_INTEL
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int intel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
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#endif
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#ifdef CONFIG_BT_HCIUART_BCM
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int bcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
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#endif
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